WidgetGtk.cpp | searchcode

/opensource.apple.com/source/WebCore/WebCore-1298.39/platform/gtk/WidgetGtk.cpp

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<h1 style="margin:8px;" id="f1">WidgetGtk.cpp&nbsp;&nbsp;&nbsp;<span style="font-weight: normal; font-size: 0.5em;">[<a href="?txt">plain text</a>]</span></h1>
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<span class="enscript-comment">/*
 * Copyright (C) 2006 Michael Emmel <a href="mailto:mike.emmel@gmail.com">mike.emmel@gmail.com</a>
 * Copyright (C) 2007, 2009 Holger Hans Peter Freyther
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */</span>

#<span class="enscript-reference">include</span> <span class="enscript-string">&quot;config.h&quot;</span>
#<span class="enscript-reference">include</span> <span class="enscript-string">&quot;Widget.h&quot;</span>

#<span class="enscript-reference">include</span> <span class="enscript-string">&quot;Chrome.h&quot;</span>
#<span class="enscript-reference">include</span> <span class="enscript-string">&quot;Cursor.h&quot;</span>
#<span class="enscript-reference">include</span> <span class="enscript-string">&quot;Frame.h&quot;</span>
#<span class="enscript-reference">include</span> <span class="enscript-string">&quot;FrameView.h&quot;</span>
#<span class="enscript-reference">include</span> <span class="enscript-string">&quot;GraphicsContext.h&quot;</span>
#<span class="enscript-reference">include</span> <span class="enscript-string">&quot;GtkVersioning.h&quot;</span>
#<span class="enscript-reference">include</span> <span class="enscript-string">&quot;HostWindow.h&quot;</span>
#<span class="enscript-reference">include</span> <span class="enscript-string">&quot;IntRect.h&quot;</span>
#<span class="enscript-reference">include</span> <span class="enscript-string">&quot;Page.h&quot;</span>
#<span class="enscript-reference">include</span> <span class="enscript-string">&quot;RenderObject.h&quot;</span>

#<span class="enscript-reference">include</span> <span class="enscript-string">&lt;gdk/gdk.h&gt;</span>
#<span class="enscript-reference">include</span> <span class="enscript-string">&lt;gtk/gtk.h&gt;</span>

namespace WebCore {

<span class="enscript-function-name">Widget::Widget</span>(PlatformWidget widget)
{
    init(widget);
}

<span class="enscript-function-name">Widget::~Widget</span>()
{
    ASSERT(!parent());
    releasePlatformWidget();
}

<span class="enscript-type">void</span> <span class="enscript-function-name">Widget::setFocus</span>(<span class="enscript-type">bool</span> focused)
{
    <span class="enscript-keyword">if</span> (!focused)
        <span class="enscript-keyword">return</span>;

    GtkWidget* widget = platformWidget() ? platformWidget() : root()-&gt;hostWindow()-&gt;platformPageClient();
    <span class="enscript-keyword">if</span> (widget) {
        gtk_widget_grab_focus(widget);
        <span class="enscript-keyword">return</span>;
    }

    <span class="enscript-comment">// We are running WK2.
</span>    <span class="enscript-keyword">if</span> (Frame* frame = Frame::frameForWidget(<span class="enscript-keyword">this</span>))
        frame-&gt;page()-&gt;chrome()-&gt;focus();
}

<span class="enscript-type">void</span> <span class="enscript-function-name">Widget::setCursor</span>(<span class="enscript-type">const</span> Cursor&amp; cursor)
{
    ScrollView* view = root();
    <span class="enscript-keyword">if</span> (!view)
        <span class="enscript-keyword">return</span>;
    view-&gt;hostWindow()-&gt;setCursor(cursor);
}

<span class="enscript-type">void</span> <span class="enscript-function-name">Widget::show</span>()
{
    setSelfVisible(true);

    <span class="enscript-keyword">if</span> (isParentVisible() &amp;&amp; platformWidget())
        gtk_widget_show(platformWidget());
}

<span class="enscript-type">void</span> <span class="enscript-function-name">Widget::hide</span>()
{
    setSelfVisible(false);

    <span class="enscript-keyword">if</span> (isParentVisible() &amp;&amp; platformWidget())
        gtk_widget_hide(platformWidget());
}

<span class="enscript-type">void</span> <span class="enscript-function-name">Widget::paint</span>(GraphicsContext* context, <span class="enscript-type">const</span> IntRect&amp; rect)
{
}

<span class="enscript-type">void</span> <span class="enscript-function-name">Widget::setIsSelected</span>(<span class="enscript-type">bool</span> isSelected)
{
    <span class="enscript-keyword">if</span> (!platformWidget())
        <span class="enscript-keyword">return</span>;

    <span class="enscript-comment">// See if the platformWidget has a webkit-widget-is-selected property
</span>    <span class="enscript-comment">// and set it afterwards.
</span>    GParamSpec* spec = g_object_class_find_property(G_OBJECT_GET_CLASS(platformWidget()),
                                                    <span class="enscript-string">&quot;webkit-widget-is-selected&quot;</span>);
    <span class="enscript-keyword">if</span> (!spec)
        <span class="enscript-keyword">return</span>;

    g_object_set(platformWidget(), <span class="enscript-string">&quot;webkit-widget-is-selected&quot;</span>, isSelected, NULL);
}

IntRect <span class="enscript-function-name">Widget::frameRect</span>() <span class="enscript-type">const</span>
{
    <span class="enscript-keyword">return</span> m_frame;
}

<span class="enscript-type">void</span> <span class="enscript-function-name">Widget::setFrameRect</span>(<span class="enscript-type">const</span> IntRect&amp; rect)
{
    m_frame = rect;
    frameRectsChanged();
}

<span class="enscript-type">void</span> <span class="enscript-function-name">Widget::releasePlatformWidget</span>()
{
    <span class="enscript-keyword">if</span> (!platformWidget())
         <span class="enscript-keyword">return</span>;
    g_object_unref(platformWidget());
}

<span class="enscript-type">void</span> <span class="enscript-function-name">Widget::retainPlatformWidget</span>()
{
    <span class="enscript-keyword">if</span> (!platformWidget())
         <span class="enscript-keyword">return</span>;
    g_object_ref_sink(platformWidget());
}

}
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